To simplify the expression \((3x^2 - 2) + (11 - 5x)\), you need to combine like terms.
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Start by organizing the terms: \[ 3x^2 + (-5x) + (-2 + 11) \]
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Combine the like terms: \[ 3x^2 - 5x + 9 \]
So, the simplified expression is: \[ 3x^2 - 5x + 9 \]